Home / 192,759.66-266,028.21-111,090.78

Finding the Fourth Proportional to 192,759.66, 266,028.21 and 111,090.78

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Solution

The fourth proportional to 192,759.66, 266,028.21 and 111,090.78 is: 153,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,759.66 : 266,028.21 = 111,090.78 : x
  2. Step 2: Convert to fraction form
    192,759.66/266,028.21 = 111,090.78/x
  3. Step 3: Cross multiply
    192,759.66x = 266,028.21 × 111,090.78
  4. Step 4: Simplify right side
    192,759.66x = 29,553,281,350.90
  5. Step 5: Solve for x
    x = 29,553,281,350.90/192,759.66
  6. Step 6: Final answer
    x = 153,316.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.